Question

sung lee studied for 4 hours. if he studied 2/3 of an hour for each class, how many classes does he have?

Answer 1

6 classes

Explanation:

Let n represent the number of classes. Then the total study time is ...

(2/3)n = 4 . . . . . hours

n = (3/2)(4) = 6 . . . . . . . multiply by the inverse of the n coefficient

Sung Lee has 6 classes.